cc/input/top_controls_manager_unittest.cc

   1 // Copyright 2013 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "cc/input/top_controls_manager.h"
   6
   7 #include <algorithm>
   8
   9 #include "base/memory/scoped_ptr.h"
  10 #include "base/time/time.h"
  11 #include "cc/input/top_controls_manager_client.h"
  12 #include "cc/layers/layer_impl.h"
  13 #include "cc/test/fake_impl_proxy.h"
  14 #include "cc/test/fake_layer_tree_host_impl.h"
  15 #include "cc/test/test_shared_bitmap_manager.h"
  16 #include "cc/trees/layer_tree_impl.h"
  17 #include "testing/gtest/include/gtest/gtest.h"
  18 #include "ui/gfx/frame_time.h"
  19 #include "ui/gfx/geometry/vector2d_f.h"
  20
  21 namespace cc {
  22 namespace {
  23
  24 class MockTopControlsManagerClient : public TopControlsManagerClient {
  25  public:
  26   MockTopControlsManagerClient(float top_controls_height,
  27                                float top_controls_show_threshold,
  28                                float top_controls_hide_threshold)
  29       : host_impl_(&proxy_, &shared_bitmap_manager_),
  30         redraw_needed_(false),
  31         update_draw_properties_needed_(false),
  32         top_controls_shown_ratio_(1.f),
  33         top_controls_height_(top_controls_height),
  34         top_controls_show_threshold_(top_controls_show_threshold),
  35         top_controls_hide_threshold_(top_controls_hide_threshold) {
  36     active_tree_ = LayerTreeImpl::create(
  37         &host_impl_, new SyncedProperty<ScaleGroup>, new SyncedTopControls,
  38         new SyncedElasticOverscroll);
  39     root_scroll_layer_ = LayerImpl::Create(active_tree_.get(), 1);
  40   }
  41
  42   ~MockTopControlsManagerClient() override {}
  43
  44   void DidChangeTopControlsPosition() override {
  45     redraw_needed_ = true;
  46     update_draw_properties_needed_ = true;
  47   }
  48
  49   bool HaveRootScrollLayer() const override { return true; }
  50
  51   float TopControlsHeight() const override { return top_controls_height_; }
  52
  53   void SetCurrentTopControlsShownRatio(float ratio) override {
  54     ratio = std::max(ratio, 0.f);
  55     ratio = std::min(ratio, 1.f);
  56     top_controls_shown_ratio_ = ratio;
  57   }
  58
  59   float CurrentTopControlsShownRatio() const override {
  60     return top_controls_shown_ratio_;
  61   }
  62
  63   LayerImpl* rootScrollLayer() {
  64     return root_scroll_layer_.get();
  65   }
  66
  67   TopControlsManager* manager() {
  68     if (!manager_) {
  69       manager_ = TopControlsManager::Create(this,
  70                                             top_controls_show_threshold_,
  71                                             top_controls_hide_threshold_);
  72     }
  73     return manager_.get();
  74   }
  75
  76   void SetTopControlsHeight(float height) { top_controls_height_ = height; }
  77
  78  private:
  79   FakeImplProxy proxy_;
  80   TestSharedBitmapManager shared_bitmap_manager_;
  81   FakeLayerTreeHostImpl host_impl_;
  82   scoped_ptr<LayerTreeImpl> active_tree_;
  83   scoped_ptr<LayerImpl> root_scroll_layer_;
  84   scoped_ptr<TopControlsManager> manager_;
  85   bool redraw_needed_;
  86   bool update_draw_properties_needed_;
  87
  88   float top_controls_shown_ratio_;
  89   float top_controls_height_;
  90   float top_controls_show_threshold_;
  91   float top_controls_hide_threshold_;
  92 };
  93
  94 TEST(TopControlsManagerTest, EnsureScrollThresholdApplied) {
  95   MockTopControlsManagerClient client(100.f, 0.5f, 0.5f);
  96   TopControlsManager* manager = client.manager();
  97
  98   manager->ScrollBegin();
  99
 100   // Scroll down to hide the controls entirely.
 101   manager->ScrollBy(gfx::Vector2dF(0.f, 30.f));
 102   EXPECT_FLOAT_EQ(-30.f, manager->ControlsTopOffset());
 103
 104   manager->ScrollBy(gfx::Vector2dF(0.f, 30.f));
 105   EXPECT_FLOAT_EQ(-60.f, manager->ControlsTopOffset());
 106
 107   manager->ScrollBy(gfx::Vector2dF(0.f, 100.f));
 108   EXPECT_FLOAT_EQ(-100.f, manager->ControlsTopOffset());
 109
 110   // Scroll back up a bit and ensure the controls don't move until we cross
 111   // the threshold.
 112   manager->ScrollBy(gfx::Vector2dF(0.f, -10.f));
 113   EXPECT_FLOAT_EQ(-100.f, manager->ControlsTopOffset());
 114
 115   manager->ScrollBy(gfx::Vector2dF(0.f, -50.f));
 116   EXPECT_FLOAT_EQ(-100.f, manager->ControlsTopOffset());
 117
 118   // After hitting the threshold, further scrolling up should result in the top
 119   // controls showing.
 120   manager->ScrollBy(gfx::Vector2dF(0.f, -10.f));
 121   EXPECT_FLOAT_EQ(-90.f, manager->ControlsTopOffset());
 122
 123   manager->ScrollBy(gfx::Vector2dF(0.f, -50.f));
 124   EXPECT_FLOAT_EQ(-40.f, manager->ControlsTopOffset());
 125
 126   // Reset the scroll threshold by going further up the page than the initial
 127   // threshold.
 128   manager->ScrollBy(gfx::Vector2dF(0.f, -100.f));
 129   EXPECT_FLOAT_EQ(0.f, manager->ControlsTopOffset());
 130
 131   // See that scrolling down the page now will result in the controls hiding.
 132   manager->ScrollBy(gfx::Vector2dF(0.f, 20.f));
 133   EXPECT_FLOAT_EQ(-20.f, manager->ControlsTopOffset());
 134
 135   manager->ScrollEnd();
 136 }
 137
 138 TEST(TopControlsManagerTest, PartialShownHideAnimation) {
 139   MockTopControlsManagerClient client(100.f, 0.5f, 0.5f);
 140   TopControlsManager* manager = client.manager();
 141   manager->ScrollBegin();
 142   manager->ScrollBy(gfx::Vector2dF(0.f, 300.f));
 143   EXPECT_FLOAT_EQ(-100.f, manager->ControlsTopOffset());
 144   EXPECT_FLOAT_EQ(0.f, manager->ContentTopOffset());
 145   manager->ScrollEnd();
 146
 147   manager->ScrollBegin();
 148   manager->ScrollBy(gfx::Vector2dF(0.f, -15.f));
 149   EXPECT_FLOAT_EQ(-85.f, manager->ControlsTopOffset());
 150   EXPECT_FLOAT_EQ(15.f, manager->ContentTopOffset());
 151   manager->ScrollEnd();
 152
 153   EXPECT_TRUE(manager->animation());
 154
 155   base::TimeTicks time = gfx::FrameTime::Now();
 156   float previous;
 157   while (manager->animation()) {
 158     previous = manager->TopControlsShownRatio();
 159     time = base::TimeDelta::FromMicroseconds(100) + time;
 160     manager->Animate(time);
 161     EXPECT_LT(manager->TopControlsShownRatio(), previous);
 162   }
 163   EXPECT_FALSE(manager->animation());
 164   EXPECT_FLOAT_EQ(-100.f, manager->ControlsTopOffset());
 165   EXPECT_FLOAT_EQ(0.f, manager->ContentTopOffset());
 166 }
 167
 168 TEST(TopControlsManagerTest, PartialShownShowAnimation) {
 169   MockTopControlsManagerClient client(100.f, 0.5f, 0.5f);
 170   TopControlsManager* manager = client.manager();
 171   manager->ScrollBegin();
 172   manager->ScrollBy(gfx::Vector2dF(0.f, 300.f));
 173   EXPECT_FLOAT_EQ(-100.f, manager->ControlsTopOffset());
 174   EXPECT_FLOAT_EQ(0.f, manager->ContentTopOffset());
 175   manager->ScrollEnd();
 176
 177   manager->ScrollBegin();
 178   manager->ScrollBy(gfx::Vector2dF(0.f, -70.f));
 179   EXPECT_FLOAT_EQ(-30.f, manager->ControlsTopOffset());
 180   EXPECT_FLOAT_EQ(70.f, manager->ContentTopOffset());
 181   manager->ScrollEnd();
 182
 183   EXPECT_TRUE(manager->animation());
 184
 185   base::TimeTicks time = gfx::FrameTime::Now();
 186   float previous;
 187   while (manager->animation()) {
 188     previous = manager->TopControlsShownRatio();
 189     time = base::TimeDelta::FromMicroseconds(100) + time;
 190     manager->Animate(time);
 191     EXPECT_GT(manager->TopControlsShownRatio(), previous);
 192   }
 193   EXPECT_FALSE(manager->animation());
 194   EXPECT_FLOAT_EQ(0.f, manager->ControlsTopOffset());
 195   EXPECT_FLOAT_EQ(100.f, manager->ContentTopOffset());
 196 }
 197
 198 TEST(TopControlsManagerTest, PartialHiddenWithAmbiguousThresholdShows) {
 199   MockTopControlsManagerClient client(100.f, 0.25f, 0.25f);
 200   TopControlsManager* manager = client.manager();
 201
 202   manager->ScrollBegin();
 203
 204   manager->ScrollBy(gfx::Vector2dF(0.f, 20.f));
 205   EXPECT_FLOAT_EQ(-20.f, manager->ControlsTopOffset());
 206   EXPECT_FLOAT_EQ(80.f, manager->ContentTopOffset());
 207
 208   manager->ScrollEnd();
 209   EXPECT_TRUE(manager->animation());
 210
 211   base::TimeTicks time = gfx::FrameTime::Now();
 212   float previous;
 213   while (manager->animation()) {
 214     previous = manager->TopControlsShownRatio();
 215     time = base::TimeDelta::FromMicroseconds(100) + time;
 216     manager->Animate(time);
 217     EXPECT_GT(manager->TopControlsShownRatio(), previous);
 218   }
 219   EXPECT_FALSE(manager->animation());
 220   EXPECT_FLOAT_EQ(0.f, manager->ControlsTopOffset());
 221   EXPECT_FLOAT_EQ(100.f, manager->ContentTopOffset());
 222 }
 223
 224 TEST(TopControlsManagerTest, PartialHiddenWithAmbiguousThresholdHides) {
 225   MockTopControlsManagerClient client(100.f, 0.25f, 0.25f);
 226   TopControlsManager* manager = client.manager();
 227
 228   manager->ScrollBegin();
 229
 230   manager->ScrollBy(gfx::Vector2dF(0.f, 30.f));
 231   EXPECT_FLOAT_EQ(-30.f, manager->ControlsTopOffset());
 232   EXPECT_FLOAT_EQ(70.f, manager->ContentTopOffset());
 233
 234   manager->ScrollEnd();
 235   EXPECT_TRUE(manager->animation());
 236
 237   base::TimeTicks time = gfx::FrameTime::Now();
 238   float previous;
 239   while (manager->animation()) {
 240     previous = manager->TopControlsShownRatio();
 241     time = base::TimeDelta::FromMicroseconds(100) + time;
 242     manager->Animate(time);
 243     EXPECT_LT(manager->TopControlsShownRatio(), previous);
 244   }
 245   EXPECT_FALSE(manager->animation());
 246   EXPECT_FLOAT_EQ(-100.f, manager->ControlsTopOffset());
 247   EXPECT_FLOAT_EQ(0.f, manager->ContentTopOffset());
 248 }
 249
 250 TEST(TopControlsManagerTest, PartialShownWithAmbiguousThresholdHides) {
 251   MockTopControlsManagerClient client(100.f, 0.25f, 0.25f);
 252   TopControlsManager* manager = client.manager();
 253
 254   manager->ScrollBy(gfx::Vector2dF(0.f, 200.f));
 255   EXPECT_FLOAT_EQ(-100.f, manager->ControlsTopOffset());
 256   EXPECT_FLOAT_EQ(0.f, manager->ContentTopOffset());
 257
 258   manager->ScrollBegin();
 259
 260   manager->ScrollBy(gfx::Vector2dF(0.f, -20.f));
 261   EXPECT_FLOAT_EQ(-80.f, manager->ControlsTopOffset());
 262   EXPECT_FLOAT_EQ(20.f, manager->ContentTopOffset());
 263
 264   manager->ScrollEnd();
 265   EXPECT_TRUE(manager->animation());
 266
 267   base::TimeTicks time = gfx::FrameTime::Now();
 268   float previous;
 269   while (manager->animation()) {
 270     previous = manager->TopControlsShownRatio();
 271     time = base::TimeDelta::FromMicroseconds(100) + time;
 272     manager->Animate(time);
 273     EXPECT_LT(manager->TopControlsShownRatio(), previous);
 274   }
 275   EXPECT_FALSE(manager->animation());
 276   EXPECT_FLOAT_EQ(-100.f, manager->ControlsTopOffset());
 277   EXPECT_FLOAT_EQ(0.f, manager->ContentTopOffset());
 278 }
 279
 280 TEST(TopControlsManagerTest, PartialShownWithAmbiguousThresholdShows) {
 281   MockTopControlsManagerClient client(100.f, 0.25f, 0.25f);
 282   TopControlsManager* manager = client.manager();
 283
 284   manager->ScrollBy(gfx::Vector2dF(0.f, 200.f));
 285   EXPECT_FLOAT_EQ(-100.f, manager->ControlsTopOffset());
 286   EXPECT_FLOAT_EQ(0.f, manager->ContentTopOffset());
 287
 288   manager->ScrollBegin();
 289
 290   manager->ScrollBy(gfx::Vector2dF(0.f, -30.f));
 291   EXPECT_FLOAT_EQ(-70.f, manager->ControlsTopOffset());
 292   EXPECT_FLOAT_EQ(30.f, manager->ContentTopOffset());
 293
 294   manager->ScrollEnd();
 295   EXPECT_TRUE(manager->animation());
 296
 297   base::TimeTicks time = gfx::FrameTime::Now();
 298   float previous;
 299   while (manager->animation()) {
 300     previous = manager->TopControlsShownRatio();
 301     time = base::TimeDelta::FromMicroseconds(100) + time;
 302     manager->Animate(time);
 303     EXPECT_GT(manager->TopControlsShownRatio(), previous);
 304   }
 305   EXPECT_FALSE(manager->animation());
 306   EXPECT_FLOAT_EQ(0.f, manager->ControlsTopOffset());
 307   EXPECT_FLOAT_EQ(100.f, manager->ContentTopOffset());
 308 }
 309
 310 TEST(TopControlsManagerTest, PinchIgnoresScroll) {
 311   MockTopControlsManagerClient client(100.f, 0.5f, 0.5f);
 312   TopControlsManager* manager = client.manager();
 313
 314   // Hide the controls.
 315   manager->ScrollBegin();
 316   EXPECT_FLOAT_EQ(0.f, manager->ControlsTopOffset());
 317
 318   manager->ScrollBy(gfx::Vector2dF(0.f, 300.f));
 319   EXPECT_FLOAT_EQ(-100.f, manager->ControlsTopOffset());
 320
 321   manager->PinchBegin();
 322   EXPECT_FLOAT_EQ(-100.f, manager->ControlsTopOffset());
 323
 324   // Scrolls are ignored during pinch.
 325   manager->ScrollBy(gfx::Vector2dF(0.f, -15.f));
 326   EXPECT_FLOAT_EQ(-100.f, manager->ControlsTopOffset());
 327   manager->PinchEnd();
 328   EXPECT_FLOAT_EQ(-100.f, manager->ControlsTopOffset());
 329
 330   // Scrolls should no long be ignored.
 331   manager->ScrollBy(gfx::Vector2dF(0.f, -15.f));
 332   EXPECT_FLOAT_EQ(-85.f, manager->ControlsTopOffset());
 333   EXPECT_FLOAT_EQ(15.f, manager->ContentTopOffset());
 334   manager->ScrollEnd();
 335
 336   EXPECT_TRUE(manager->animation());
 337 }
 338
 339 TEST(TopControlsManagerTest, PinchBeginStartsAnimationIfNecessary) {
 340   MockTopControlsManagerClient client(100.f, 0.5f, 0.5f);
 341   TopControlsManager* manager = client.manager();
 342
 343   manager->ScrollBegin();
 344   manager->ScrollBy(gfx::Vector2dF(0.f, 300.f));
 345   EXPECT_FLOAT_EQ(-100.f, manager->ControlsTopOffset());
 346
 347   manager->PinchBegin();
 348   EXPECT_FALSE(manager->animation());
 349
 350   manager->PinchEnd();
 351   EXPECT_FALSE(manager->animation());
 352
 353   manager->ScrollBy(gfx::Vector2dF(0.f, -15.f));
 354   EXPECT_FLOAT_EQ(-85.f, manager->ControlsTopOffset());
 355   EXPECT_FLOAT_EQ(15.f, manager->ContentTopOffset());
 356
 357   manager->PinchBegin();
 358   EXPECT_TRUE(manager->animation());
 359
 360   base::TimeTicks time = base::TimeTicks::Now();
 361   float previous;
 362   while (manager->animation()) {
 363     previous = manager->TopControlsShownRatio();
 364     time = base::TimeDelta::FromMicroseconds(100) + time;
 365     manager->Animate(time);
 366     EXPECT_LT(manager->TopControlsShownRatio(), previous);
 367   }
 368   EXPECT_FALSE(manager->animation());
 369
 370   manager->PinchEnd();
 371   EXPECT_FALSE(manager->animation());
 372
 373   manager->ScrollBy(gfx::Vector2dF(0.f, -55.f));
 374   EXPECT_FLOAT_EQ(-45.f, manager->ControlsTopOffset());
 375   EXPECT_FLOAT_EQ(55.f, manager->ContentTopOffset());
 376   EXPECT_FALSE(manager->animation());
 377
 378   manager->ScrollEnd();
 379   EXPECT_TRUE(manager->animation());
 380
 381   time = base::TimeTicks::Now();
 382   while (manager->animation()) {
 383     previous = manager->TopControlsShownRatio();
 384     time = base::TimeDelta::FromMicroseconds(100) + time;
 385     manager->Animate(time);
 386     EXPECT_GT(manager->TopControlsShownRatio(), previous);
 387   }
 388   EXPECT_FALSE(manager->animation());
 389   EXPECT_FLOAT_EQ(0.f, manager->ControlsTopOffset());
 390 }
 391
 392 TEST(TopControlsManagerTest, HeightChangeMaintainsFullyVisibleControls) {
 393   MockTopControlsManagerClient client(0.f, 0.5f, 0.5f);
 394   TopControlsManager* manager = client.manager();
 395
 396   EXPECT_FLOAT_EQ(0.f, manager->ControlsTopOffset());
 397
 398   client.SetTopControlsHeight(100.f);
 399   EXPECT_FALSE(manager->animation());
 400   EXPECT_FLOAT_EQ(100.f, manager->TopControlsHeight());
 401   EXPECT_FLOAT_EQ(0, manager->ControlsTopOffset());
 402
 403   client.SetTopControlsHeight(50.f);
 404   EXPECT_FALSE(manager->animation());
 405   EXPECT_FLOAT_EQ(50.f, manager->TopControlsHeight());
 406   EXPECT_FLOAT_EQ(0.f, manager->ControlsTopOffset());
 407 }
 408
 409 TEST(TopControlsManagerTest, GrowingHeightKeepsTopControlsHidden) {
 410   MockTopControlsManagerClient client(0.f, 0.5f, 0.5f);
 411   TopControlsManager* manager = client.manager();
 412   manager->UpdateTopControlsState(HIDDEN, HIDDEN, false);
 413   EXPECT_EQ(0.f, manager->ControlsTopOffset());
 414   EXPECT_EQ(0.f, manager->ContentTopOffset());
 415
 416   client.SetTopControlsHeight(50.f);
 417   EXPECT_FALSE(manager->animation());
 418   EXPECT_EQ(-50.f, manager->ControlsTopOffset());
 419   EXPECT_EQ(0.f, manager->ContentTopOffset());
 420
 421   client.SetTopControlsHeight(100.f);
 422   EXPECT_FALSE(manager->animation());
 423   EXPECT_EQ(-100.f, manager->ControlsTopOffset());
 424   EXPECT_EQ(0.f, manager->ContentTopOffset());
 425 }
 426
 427 TEST(TopControlsManagerTest, ShrinkingHeightKeepsTopControlsHidden) {
 428   MockTopControlsManagerClient client(100.f, 0.5f, 0.5f);
 429   TopControlsManager* manager = client.manager();
 430
 431   manager->ScrollBegin();
 432   manager->ScrollBy(gfx::Vector2dF(0.f, 300.f));
 433   EXPECT_FLOAT_EQ(-100.f, manager->ControlsTopOffset());
 434   EXPECT_FLOAT_EQ(0.f, manager->ContentTopOffset());
 435   manager->ScrollEnd();
 436
 437   client.SetTopControlsHeight(50.f);
 438   EXPECT_FALSE(manager->animation());
 439   EXPECT_FLOAT_EQ(-50.f, manager->ControlsTopOffset());
 440   EXPECT_FLOAT_EQ(0.f, manager->ContentTopOffset());
 441
 442   client.SetTopControlsHeight(0.f);
 443   EXPECT_FALSE(manager->animation());
 444   EXPECT_FLOAT_EQ(0.f, manager->ControlsTopOffset());
 445   EXPECT_FLOAT_EQ(0.f, manager->ContentTopOffset());
 446 }
 447
 448 }  // namespace
 449 }  // namespace cc